#!/bin/sh

# Check PHPCS before commit
# Ref -
#    https://github.com/smgladkovskiy/phpcs-git-pre-commit/blob/master/src/pre-commit
#    https://dev.to/akdevcraft/git-pre-hook-pre-commit-hook-with-npm-project-44p2

echo "***** Running pre-commit ******"

PROJECT=$(php -r "echo dirname(dirname(dirname(realpath('$0'))));")
STAGED_FILES_CMD=$(git diff --cached --name-only --diff-filter=ACMR HEAD | grep \\.php)
UNSTAGED_FILES_CMD=$(git diff --name-only --diff-filter=ACMR | grep \\.php)

# Determine if a file list is passed
if [ "$#" -eq 1 ]
then
    oIFS=$IFS
    IFS='
    '
    SFILES="$1"
    IFS=$oIFS
fi

SFILES=${SFILES:-$STAGED_FILES_CMD}

STAGED_BUT_MODIFIED_FILES=$(php -r "\$sfiles=(explode(\"\\n\", '$SFILES'));\$usfiles=(explode(\"\\n\", '$UNSTAGED_FILES_CMD'));echo implode(\"\\n\",array_intersect(\$usfiles,\$sfiles));")

if [ -z "$STAGED_BUT_MODIFIED_FILES" ]; then
    echo "OK"
else
    echo "Files staged but then modified:\n"
    echo "${STAGED_BUT_MODIFIED_FILES}"
    exit 1
fi

# echo $PROJECT
# echo $SFILES

echo "Checking files for PHP Lint..."
for FILE in $SFILES
do
	# echo "$PROJECT/$FILE"
    php -l -d display_errors=0 "./$FILE"
    if [ $? != 0 ]
    then
        echo "Fix the error before commit."
        exit 1
    fi
    FILES="$FILES ./$FILE"
done

if [ "$FILES" = "" ]
then
    echo "All good..."
    exit 0
fi

if [ "$FILES" != "" ]
then
    echo "Running PHPCS (Code Sniffer) Check..."
    composer lint -n $FILES
    if [ $? != 0 ]
    then
        echo "Please fix the PHPCS errors before commit!"
        echo " => Run this command for automatic fixes."
        echo "		composer format-- $FILES"
        exit 1
    fi
fi

if [ "$FILES" != "" ]
then
    echo "Running CSS linting issues..."
    npm run lint:css
    if [ $? != 0 ]
    then
        echo "Please fix the CSS issues before commit!"
        exit 1
    fi
fi

if [ "$FILES" != "" ]
then
    echo "Running JS linting issues..."
    npm run lint:js
    if [ $? != 0 ]
    then
        echo "Please fix the JS issues before commit!"
        exit 1
    fi
fi

exit $?